Home / 67,288.14-101,283.17-57,140.46

Finding the Fourth Proportional to 67,288.14, 101,283.17 and 57,140.46

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Solution

The fourth proportional to 67,288.14, 101,283.17 and 57,140.46 is: 86,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,288.14 : 101,283.17 = 57,140.46 : x
  2. Step 2: Convert to fraction form
    67,288.14/101,283.17 = 57,140.46/x
  3. Step 3: Cross multiply
    67,288.14x = 101,283.17 × 57,140.46
  4. Step 4: Simplify right side
    67,288.14x = 5,787,366,638.36
  5. Step 5: Solve for x
    x = 5,787,366,638.36/67,288.14
  6. Step 6: Final answer
    x = 86,008.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.